九年级英语unit13,Section A Grammar Focus-4cPPT学习教案

1、会计学1九年级英语九年级英语unit13,Section A Grammar Focus-4c【课前准备课前准备】the bottom of the riverbe harmful tohear ofbe full of rubishthe number ofbring danger tonot only but alsocut offso farmake a difference第1页/共16页【课前准备课前准备】cant afford to do sth.take part ininstead oftake actionturn offpay foradd upuse public tra

2、nsportation第2页/共16页自学自查：根据汉语提示完成单词。自学自查：根据汉语提示完成单词。affordreusabletransportationconsideredelectricity第3页/共16页典型例句典型例句所用语法所用语法Make up newsentences We are trying to save the earth. The river used to be so clean. The air is badly polluted. No scientific studies have shown that shark fins are good for he

3、alth. We should help save the sharks.现在进行时现在进行时 am/is/aredoing语法总结语法总结读读 Grammar Focus 表格内的句子，理解每个句子所用的表格内的句子，理解每个句子所用的时态、语态、情态动词及时态、语态、情态动词及used to 结构。结构。 Discuss in pairs/ groups.used to do一般现在时被动语态：一般现在时被动语态： am/is/aredone现在完成时：现在完成时：has/havedone情态动词情态动词do第4页/共16页 turn off the lights when use the

4、 paper bags. walk to schoolWe can _.Leadin 4a.第5页/共16页4aFill in the blanks with the correct forms of the verbs in brackets.Joe: _ you ever _ (take) part in an environmental project ?Eric: Yes, I have. I _ (help) with a Clean-Up Day last year. It was _ (consider) the biggest clean-up project this cit

5、y _ ever _ (have).Have takenhelpedconsideredhadhad参参加加第6页/共16页Joe: How many people _ (take) part?Eric: I _ (think) more than 1,000 people _ (come) to help out.Joe: Thats fantastic! I guess everyone in this city is _ (try) to improve the environment.Eric: Yes, we cant afford to _ (wait) any longer to

6、 take action!tookthinkcametryingwaitv. 承担得起承担得起( (后果后果) ); 买得起买得起第7页/共16页4bFill in the blanks with the appropriatemodal verbs from the box.People _ think that big things_ be done to save the earth. Many forget that saving the earth begins with small things. For example, you _ savemay/mightmustcancan

7、 would couldhave to should mustmay/ might第8页/共16页electricity by turning off the lights when you leave a room. You _ also use reusable bags instead of plastic bags. I think its a great idea that you now _ pay for plastic bags in some stores. And instead of driving to school or work, you _ ride your b

8、ike or walk. If its far, you _ take the bus. All these couldhave to can/shouldcan/could关关掉掉adj.可重复使用的可重复使用的付费付费;付出代价付出代价第9页/共16页couldwould/can采取行动采取行动第10页/共16页4cMake a list of things that people can do to help the environment and discuss your list with your partner.use public transportation (n.交通运输交

9、通运输);turn off the lights when you leave a room;use reusable bags instead of plastic bags;ride your bike or walk to school or work;stop using paper napkins(餐巾纸餐巾纸);recycle books and papergrow more plantsreduce the use of air conditions in summer第11页/共16页【当堂检测当堂检测】 . 单项选择单项选择BA第12页/共16页 More chances _ to students to learn from each other. A. offer B. are offered C. have offered D. are offering